Space News & Blog Articles

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Save 20% on this early Amazon Prime Day two-in-one Estes model rocket set

If you're looking for early Amazon Prime Day model rocket deals, then getting 20% off this Estes two-in-one set could be what you're looking for.

Best Star Wars costumes for kids and adults in 2025

If you want to become a Jedi, a Sith, or a bounty hunter without muchhassle, check out the best Star Wars costumes you can buy right now.

Earth from Space: Zanzibar, Tanzania

Image: Earth from Space: Zanzibar, Tanzania

Antarctic waters getting saltier as sea ice wanes

Using data from ESA’s SMOS satellite, scientists have revealed a surprising shift in the Southern Ocean – surface waters around Antarctica are growing saltier, even as sea ice is diminishing rapidly. This finding defies the norm because melting ice typically freshens ocean surface water.

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If Dark Energy is Decreasing, is the Big Crunch Back on the Menu?

For generations, humans have gazed at the stars and wondered about the ultimate fate of the Universe. Will it expand forever into the cold emptiness, or meet a more dramatic end? A new study published by physicists from Cornell University, Shanghai Jiao Tong University, and other institutions suggests we may finally have an answer, and it's surprisingly specific.

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High-Speed Gas Clouds Fuel Star Formation in Depleted Galaxies

Galaxies have an overall internal motion called disk velocity. It's how gas, dust, and stars move around the galactic center. It's not a single value but a velocity profile that varies depending on distance from the center. When astronomers spot something in a galaxy that's not moving according to the disk velocity, it catches their attention. That's what happened with M83.

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Machine Learning is Surprisingly Good at Simulating the Universe

At the RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences (iTHEMS) in Japan, the showdown between artificial intelligence and supercomputers has begun. It was here that Riken researchers, along with an international team of colleagues, used machine learning to enhance a simulation of galaxy evolution. The results were compared to direct numerical simulations, like those typically run on supercomputers, and AI won this round! In addition, this approach could shed light on the origins of the Milky Way and the elements essential to life as we know it.

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Very massive stars vomit vast amounts of matter before collapsing into black holes

Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this transformation, they may vomit out more stellar material than we knew.

Peering Into a Starburst Galaxy With the JWST

When it comes to star formation, not all galaxies are the same. Some are quenched, meaning they've depleted their star forming gas and form very few new stars. Some, like the Milky Way, are typical and form stars at an average rate. But some are extremely active, and form stars so readily they're called starburst galaxies.

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A Star Detonated as a Supernova... Twice

All supernovae are massively energetic stellar explosions. The classic supernovae are massive stars that explode near the end of their lives, leaving behind either a neutron star or a black hole, and a remnant made of expanding gas and dust. But supernovae are not all the same. Some occur in binary systems, and they're called Type 1a supernovae. As it turns out, some of these Type 1a SNe can detonate twice.

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James Gunn's sci-fi movies ranked, worst to best

With Superman on its way, we take a look at director James Gunn's incredible slate of sci-fi movies to date.

Best Fujifilm lenses in 2025: Level up your Fujifilm camera this Amazon Prime Day

Want to make the most of your Fujifilm camera? We've rounded up the best Fujifilm lenses, now with expected savings on Amazon Prime Day this July 8.

See the bright star Spica close to the waxing gibbous moon on July 3

Spica is a binary star system that orbits over 250 light-years from Earth within the Milky Way.

Best Fujifilm cameras 2025: Save big on these models this Amazon Prime Day.

These are the best Fujifilm cameras from beginner to professional grade, with some models potentially falling in price on Amazon Prime Day from July 8 to 11.

Private lunar landing: How Blue Ghost measured the moon's electric and magnetic fields

Private lunar landing: How Blue Ghost measured the moon's electric and magnetic fields

ESA tracks rare interstellar comet

Astronomers have confirmed the discovery of a rare celestial visitor: a comet from beyond our Solar System.

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How to see China's Tiangong space station and the ISS in the predawn sky this week

The International Space Station and China's Tiangong Space Station will be visible for early risers. Here's how to make a dual sighting.

'An exceedingly rare event': See a pair of nova explosions shining in the southern sky this week.

Both novas will eventually become too dim to see, even under the darkest skies. So catch them while you can!

Rare breed of exploding star discovered by citizen scientists in cataclysmic find

With the aid of citizen scientists, astronomers have discovered an erupting cataclysmic variable star in a rarely seen evolutionary stage.

Early Amazon Prime Day big saving on the Celestron NexStar 8SE — the cheapest price it's been since January

Save $200 on the best telescope for viewing the planets — the Celestron NexStar 8SE has a huge discount this Prime Day

ULA begins stacking its 1st Vulcan rocket supporting a national security mission

United Launch Alliance (ULA) hoists its Vulcan first stage booster into the Vertical Integration Facility-G (VIF-G) adjacent to Space Launch Complex-41 at Cape Canaveral Space Force Station, Florida, on Oct. 22, 2024. The rocket will launch the USSF-106 mission for the U.S. Space Force’s Space Systems Command, Vulcan’s first national security flight. Image: United Launch Alliance

A little more than a week after its most recent Atlas 5 rocket launch, United Launch Alliance rolled a Vulcan booster to the Vertical Integration Facility at Cape Canaveral Space Force Station in Florida on Wednesday morning to begin stacking its first post-certification Vulcan rocket.

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